Level of Consciousness

II. Exam: Levels

Alert
Clouded
Somnolent
Lethargy: Drowsiness
Stupor: Responsive only to vigorous stimulation
Coma: Unarousable to verbal or physical stimuli

III. Exam: Other states of unresponsiveness (may appear to be awake)

Abulic state: Akinetic mutism
Locked in syndrome
Psychogenic unresponsiveness

IV. Causes

See Altered Level of Consciousness Causes

V. Evaluation: Scales

AVPU Scale
Glasgow Coma Scale

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